1. Copyright 2010, The World Bank Group. All Rights Reserved. Analysis, Presentation, and Uses of Data, Part I

2. Copyright 2010, The World Bank Group. All Rights Reserved. Overview Data analysis Importance of objective data analysis How to analyze labor statistics Visual presentation of data Users and uses of labor statistics Dissemination 2

3. Copyright 2010, The World Bank Group. All Rights Reserved. Analysis: The Link between Data and Understanding 3

4. Copyright 2010, The World Bank Group. All Rights Reserved. What surveys give us: Data 4

5. Copyright 2010, The World Bank Group. All Rights Reserved. What we want: Answers to questions Are people able to find work? Are good jobs available? Who is faring best in the labor market? Who is struggling? How does the current situation compare to the past? 5

6. Copyright 2010, The World Bank Group. All Rights Reserved. How do we go from data… to assessment? 6

7. Copyright 2010, The World Bank Group. All Rights Reserved. Why do analysis? Educate officials, policymakers, and others: Describe a situation Classify the component parts of a situation Help assess why something happened Forecast/project what may happen in the future Source: www.cartoonstock.com 7

8. Copyright 2010, The World Bank Group. All Rights Reserved. Objective Analysis Impartiality evident by values in action Unbiased in subject matter and presentation –Is the glass half full or half empty? It is a.5 liter glass with 250 ml of liquid Scientific and transparent methods Equal access to data for all users 8

9. Copyright 2010, The World Bank Group. All Rights Reserved. Data Analysis Focus on data analysis at these times: When the survey is in the design phase, When detailed plans are being made for data collection, After the data are collected, and As the report is being written and reviewed. 9

10. Copyright 2010, The World Bank Group. All Rights Reserved. Data Analysis Know the limitations of the data: –Sample size –Trends –Sampling error –Nonsampling error –Impacts of redesigns and other changes –Breaks in a series 10

11. Copyright 2010, The World Bank Group. All Rights Reserved. Role of Analyst Judgment Experience Understanding of situation Technical ability Source: www.it-career-coach.net 11

12. Copyright 2010, The World Bank Group. All Rights Reserved. Levels of analysis Descriptive –simplest; present facts; summarization Causal –examine selected variables; more difficult to attribute causation Projection and forecasting –most complex 12

13. Copyright 2010, The World Bank Group. All Rights Reserved. Levels of analysis Descriptive –simplest; present facts; summarization Causal –examine selected variables; more difficult to attribute causation Projection and forecasting –most complex 13

14. Copyright 2010, The World Bank Group. All Rights Reserved. Levels of analysis Descriptive –simplest; present facts; summarization Causal –examine selected variables; more difficult to attribute causation Projection and forecasting –most complex 14

15. Copyright 2010, The World Bank Group. All Rights Reserved. Quantitative analysis Measures of central tendency –Mean –Median –Mode Measures of dispersion –Range –Standard deviation Measures of association 15